[Q33-Q48] Full CTFL4 Practice Test and 190 unique questions with explanations waiting just for you!

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Full CTFL4 Practice Test and 190 unique questions with explanations waiting just for you!

ISTQB Certified Tester Dumps CTFL4 Exam for Full Questions – Exam Study Guide

Q33. Which of the following issues cannot be identified by static analysis tools?

Very low MTBF (Mean Time Between failure)

Potentially endless loops

Referencing a variable with an undefined value

Security vulnerabilities

Static analysis tools are software tools that examine the source code of a program without executing it. They can detect various types of issues, such as syntax errors, coding standards violations, security vulnerabilities, and potential bugs12. However, static analysis tools cannot identify issues that depend on the runtime behavior or performance of the program, such as very low MTBF (Mean Time Between failure)3. MTBF is a measure of the reliability of a system or component. It is calculated by dividing the total operating time by the number of failures. MTBF reflects how often a system or component fails during its expected lifetime. Static analysis tools cannot measure MTBF because they do not run the program or observe its failures. MTBF can only be estimated by dynamic testing, which involves executing the program under various conditions and collecting data on its failures4. Therefore, very low MTBF is an issue that cannot be identified by static analysis tools. The other options, such as potentially endless loops, referencing a variable with an undefined value, and security vulnerabilities, are issues that can be identified by static analysis tools. Static analysis tools can detect potentially endless loops by analyzing the control flow and data flow of the program and checking for conditions that may never become false5. Static analysis tools can detect referencing a variable with an undefined value by checking the scope and initialization of variables and reporting any use of uninitialized variables6. Static analysis tools can detect security vulnerabilities by checking for common patterns of insecure code, such as buffer overflows, SQL injections, cross-site scripting, and weak encryption. Reference = What Is Static Analysis? Static Code Analysis Tools – Perforce Software, How Static Code Analysis Works | Perforce, Static Code Analysis: Techniques, Top 5 Benefits & 3 Challenges, What is MTBF? Mean Time Between Failures Explained | Perforce, Static analysis tools – Software Testing MCQs – CareerRide, ISTQB_Chapter3 | Quizizz, [Static Code Analysis for Security Vulnerabilities | Perforce].

Q34. Select which of the following statements describe the key principles of software testing?
i. Testing shows the presence of defects, not their absence.
ii . Testing everything Is possible.
iii . Early testing Is more expensive and is a waste of time.
iv . Defects cluster together.
v. Testing is context dependent.
vi. Beware of the pesticide paradox.
vii . Absence of errors is a fallacy.
Select the correct answer:

i, iv, v, vi and vii

I, ii, v. vi and vii

iii . iv, v. vi and vii

ii, iii, iv, v and vi

Q35. Which sequence of stated in the answer choices is correct in accordance with the following figure depicting the life-cycle of a defect?

S0->S1->S2->S3->S5->S1

S0->S1->S2->S3->S5->S1->S2->S3

S0->S1->S2~>S3->S4

S0->S1 ->S2->S3->S5->S3->S4

Q36. Consider a given test plan which, among others, contains the following three sections: “Test Scope”, “Testing Communication”, and “Stakeholders”. The features of the test object to be tested and those excluded from the testing represent information that is:

not usually included in a test plan, and therefore in the given test plan it should not be specified neither within the three sections mentioned, nor within the others

usually included in a test plan and, in the given test plan, it is more likely to be specified within “Test Scope” rather than in the other two sections mentioned

usually included in a test plan and, in the given test plan, it is more likely to be specified within
“Testing Communication” rather than in the other two sections mentioned

usually included in a test plan and, in the given test plan, it is more likely to be specified within
“Stakeholders” rather than in the other two sections mentioned

Q37. A test manager decided to skip static testing since he believes bugs can be found easily by doing dynamic testing. Was this decision right or wrong?

The decision was wrong. Ensuring quality mandates that static testing is performed after performing the dynamic testing.

The decision was right. Static testing is usually redundant if a product is planned to go through a full-cycle of dynamic testing.

The decision was right. Most of the bugs are easier to identify during the dynamic testing.

The decision was wrong. Static testing can find defects early in the development process, reducing the overall cost of testing and development

Q38. Confirmation testing is performed after:

a defect is fixed and after other tests do not find any side-effect introduced in the software as a result of such fix

a failed test, and aims to run that test again to confirm that the same behavior still occurs and thus appears to be reproducible

the execution of an automated regression test suite to confirm the absence of false positives in the test results

a defect is fixed, and if such testing is successful then the regression tests that are relevant for such fix can be executed

Q39. Which of the following is a factor that contributes to a successful review?

All participants in the review are aware they will be evaluated based on the defects they will find

The author of the work product to be reviewed leads the review meeting.

All participants in the review are trained to deal with the review type and its objectives.

Review metrics must be collected to improve the review process

Q40. Which of the following is a test task that usually occurs during test implementation?

Make sure the planned test environment is ready to be delivered

Find, analyze, and remove the causes of the failures highlighted by the tests

Archive the testware for use in future test projects

Gather the metrics that are used to guide the test project

A test task that usually occurs during test implementation is to make sure the planned test environment is ready to be delivered. The test environment is the hardware and software configuration on which the tests are executed, and it should be as close as possible to the production environment where the software system will operate. The test environment should be planned, prepared, and verified before the test execution, to ensure that the test conditions, the test data, the test tools, and the test interfaces are available and functional. The other options are not test tasks that usually occur during test implementation, but rather test tasks that occur during other test activities, such as:
Find, analyze, and remove the causes of the failures highlighted by the tests: This is a test task that usually occurs during test analysis and design, which is the activity of analyzing the test basis, designing the test cases, and identifying the test data. During this activity, the testers can use techniques such as root cause analysis, defect prevention, or defect analysis, to find, analyze, and remove the causes of the failures highlighted by the previous tests, and to prevent or reduce the occurrence of similar failures in the future tests.
Archive the testware for use in future test projects: This is a test task that usually occurs during test closure, which is the activity of finalizing and reporting the test results, evaluating the test process, and identifying the test improvement actions. During this activity, the testers can archive the testware, which are the test artifacts produced during the testing process, such as the test plan, the test cases, the test data, the test results, the defect reports, etc., for use in future test projects, such as regression testing, maintenance testing, or reuse testing.
Gather the metrics that are used to guide the test project: This is a test task that usually occurs during test monitoring and control, which is the activity of tracking and reviewing the test progress, status, and quality, and taking corrective actions when necessary. During this activity, the testers can gather the metrics, which are the measurements of the testing process, such as the test coverage, the defect density, the test effort, the test duration, etc., that are used to guide the test project, such as planning, estimating, scheduling, reporting, or improving the testing process. Reference: ISTQB Certified Tester Foundation Level (CTFL) v4.0 sources and documents:
ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 2.1.1, Test Planning1 ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 2.1.2, Test Monitoring and Control1 ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 2.1.3, Test Analysis and Design1 ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 2.1.4, Test Implementation1 ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 2.1.5, Test Execution1 ISTQB Certified Tester Foundation Level Syllabus v4.0, Chapter 2.1.6, Test Closure1 ISTQB Glossary of Testing Terms v4.0, Test Environment, Test Condition, Test Data, Test Tool, Test Interface, Failure, Root Cause Analysis, Defect Prevention, Defect Analysis, Testware, Regression Testing, Maintenance Testing, Reuse Testing, Test Coverage, Defect Density, Test Effort, Test Duration2

Q41. Which ONE of the following options BEST describes thethird test quadrant (Q3)?

This test quadrant contains smoke tests and non-functional tests (except usability tests). These tests are often automated.

This test quadrant is business-facing and criticizes the system. It contains exploratory testing, usability testing, and user acceptance testing.

This test quadrant contains functional tests, examples, user story tests, user experience prototypes, API testing, and simulations. These tests check the acceptance criteria and can be manual or automated.

This test quadrant is technology-facing and supports the team. These tests should be automated and included in the continuous integration (CI) process.

Q42. You are performing the role of tester on an Agile project. Which of the following tasks would be your responsibility?
i. Understanding, implementing, and updating the test strategy.
II . Ensuring the proper use of testing tools.
Hi. Coaching other team members in the relevant aspects of testing.
iv . Actively collaborating with developers and business stakeholders to clarify requirements, especially in terms of testability, consistency, and completeness.
v. Participating proactively in team retrospective meeting, suggesting and implementing improvements.
Select the correct answer:

i, iv and v

i, ii and iii

i, iii and v

iii . iv and v

Q43. A possible risk of introducing test automation is:

the tool may not be fit-for-purpose.

the tool may create additional development dependencies.

the tool may not be compatible with the development platform.

the tool will be owned and maintained by developers and replace testers.

Q44. Consider a review for a high-level architectural document written by a software architect. The architect does most of the review preparation work, including distributing the document to reviewers before the review meeting. However, reviewers are not required to analyze the document in advance, and during the review meeting the software architect explains the document step by step. The only goal of this review is to establish a common understanding of the software architecture that will be used in a software development project.
Which of the following review types does this review refer to?

Inspection

Audit

Walkthrough

Informal review

Q45. As a result of the joint evaluation of a product version with the customer, it has been concluded that it would be appropriate to retrieve an earlier version of the product and carry out a benchmark. Depending on the result, further development will be carried out based on the current version or the retrieved version.
Which mechanism, process, and/or technique will allow the specific version (including the testing work products) of a given software product to be restored?

Defect management

Configuration management

Change management

Risk management

Q46. Consider a review for a high-level architectural document written by a software architect. The architect does most of the review preparation work, including distributing the document to reviewers before the review meeting. However, reviewers are not required to analyze the document in advance, and during the review meeting the software architect explains the document step by step. The only goal of this review is to establish a common understanding of the software architecture that will be used in a software development project.
Which of the following review types does this review refer to?

Inspection

Audit

Walkthrough

Informal review

Q47. A test manager decided to skip static testing since he believes bugs can be found easily by doing dynamic testing. Was this decision right or wrong?

The decision was wrong. Ensuring quality mandates that static testing is performed after performing the dynamic testing.

The decision was right. Static testing is usually redundant if a product is planned to go through a full- cycle of dynamic testing.

The decision was right. Most of the bugs are easier to identify during the dynamic testing.

The decision was wrong. Static testing can find defects early in the development process, reducing the overall cost of testing and development

Q48. Which of the following is a task the Author is responsible for, as part of a typical formal review?

Determining the people who will be involved in the review

Recording the anomalies found during the review meeting

Identifying potential anomalies in the work product under review

Fixing the anomalies found in the work product under review

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[Q33-Q48] Full CTFL4 Practice Test and 190 unique questions with explanations waiting just for you!

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